122003344421 has 4 divisors (see below), whose sum is σ = 139432393632. Its totient is φ = 104574295212.

The previous prime is 122003344417. The next prime is 122003344469. The reversal of 122003344421 is 124443300221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124443300221 = 156347 ⋅795943.

It is a cyclic number.

It is not a de Polignac number, because 122003344421 - 2² = 122003344417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122003344471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8714524595 + ... + 8714524608.

It is an arithmetic number, because the mean of its divisors is an integer number (34858098408).

Almost surely, 2^122003344421 is an apocalyptic number.

It is an amenable number.

122003344421 is a deficient number, since it is larger than the sum of its proper divisors (17429049211).

122003344421 is an equidigital number, since it uses as much as digits as its factorization.

122003344421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17429049210.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 122003344421 its reverse (124443300221), we get a palindrome (246446644642).

The spelling of 122003344421 in words is "one hundred twenty-two billion, three million, three hundred forty-four thousand, four hundred twenty-one".